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wait for the engine to cool

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Q: Give the precautions when opening the radiator cap engine in hot condition?
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When removing radiator cap what are the precautions?

Remove the radiator cap ONLY when the engine is cold.


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If it is clean, undamaged, and in good working condition.....NO. Since the radiator needs to be removed, to remove the engine, now is a good time to have it cleaned and checked.


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Where is the radiator cap on a 2000 jetta?

if i am not mistaken there is no "raditor cap" The cap that vents the radiator is on the overflow canistor. usually plastic, usually black. use the same safety precautions, getting burnt in not uncommon. do this when the engine is cold if possible. hope it helps. duboff


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Why is it not safe to open the radiator cap when the engine is overheating?

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What can you do to cool an overheated engine in a car?

You can turn on the heater as that will cool the coolant more. If the car is sitting still and off, opening the hood will help. If you have a hose available..spraying the radiator with help drop the coolant temperature by increasing the radiator's efficiency.


What is proper fan sucking air through radiator to engine or blowing from engine to the radiator?

Actually, both are used. However, it is more common to pull air through the radiator towards the engine. This draws cooler outside air through the radiator. Pushing air from the engine towards the radiator means that you are pulling hot air from around the engine towards the radiator.